2. you are free, why not go skating with us?
A: Because
B: Since
C: As
D: For
                    A: Because
B: Since
C: As
D: For
举一反三
- ______ you are free, why not go skating with us? A: Since B: For C: As D: Because
 - ________ you are free, why not go skating with us? A: Because B: Since C: Though D: For
 -  you are free, will you come skating with us? A: Because of B: Since C: Though D: Although
 - you are free, will you come skating with us? A: Because of B: Since C: Though D: Although
 - 中国大学MOOC: ________ you are free, why not go skating with us?
 
